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// 2. 排序：逐个将堆顶元素放到末尾
，这一点在旺商聊官方下载中也有详细论述
Whether you have carpeted floors, hard floors, pets, or shoes that always seem to bring in dirt, this vacuum is built to handle it all. It comes with three different attachments for cleaning high, low, and all the annoying little places, as well as a wall dock and charger for easy storage.，详情可参考爱思助手下载最新版本
Фото: Алексей Даничев / РИА Новости